Telematics System DTC Troubleshooting Index (2025)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2025 Honda Odyssey, 2024 Honda Odyssey, 2023 Honda Odyssey, 2022 Honda Odyssey, and 2021 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
Telematics Control Unit
| DTC | Description | DTC Type |
|---|---|---|
| B1404 - Refer to: DTC B1404 | Cell Phone Module Malfunction | Internal error |
| B1450 | Unit Error | Internal error |
| B14A1 | Lost communication with CAN Gateway ECU | Loss of communication |
| U1280 - Refer to: DTC U1280 (TELEMATICS CONTROL UNIT) | Communication Bus Line Error (BUS OFF) | Loss of communication |
| U1281 - Refer to: DTC U1281 (TELEMATICS CONTROL UNIT) . | Telematics Control Unit Lost Communication with MICU (MICU Frame) | Loss of communication |
| U128D - Refer to: DTC U128D (TELEMATICS CONTROL UNIT) | Telematics Control Unit Lost Communication with Gauge Control Module | Loss of communication |